Eurogamer has since learned that a day one patch will be released to address the problem, which Activision is blaming on a "configuration issue".

"Call of Duty: Ghosts runs natively at 1080p on the PlayStation 4," an Activision spokesperson told Eurogamer this evening.

"There was a configuration issue in the retail version on single-player mode only. This has been addressed with a day one software update. People will be able to download the day one update when PlayStation 4 launches in their territory and play at native 1080p."

Without the day one update, you'll get the COD single-player upscaled, including the menu system and the HUD. Indeed, even the occasional screen-tear generated by the game is upscaled from 720p.

Check out Digital Foundry's comparison of the un-patched Call of Duty: Ghosts versus the PC version below.

A series of comparison shots showing the unpatched PlayStation 4 version of Call of Duty: Ghosts compared to the PC edition running at 1080p, max settings.

A series of comparison shots showing the unpatched PlayStation 4 version of Call of Duty: Ghosts compared to the PC edition running at 1080p, max settings.

A series of comparison shots showing the unpatched PlayStation 4 version of Call of Duty: Ghosts compared to the PC edition running at 1080p, max settings.

A series of comparison shots showing the unpatched PlayStation 4 version of Call of Duty: Ghosts compared to the PC edition running at 1080p, max settings.

A series of comparison shots showing the unpatched PlayStation 4 version of Call of Duty: Ghosts compared to the PC edition running at 1080p, max settings.